Home / 55,710.02-76,879.41-30,216.30

Finding the Fourth Proportional to 55,710.02, 76,879.41 and 30,216.30

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Solution

The fourth proportional to 55,710.02, 76,879.41 and 30,216.30 is: 41,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,710.02 : 76,879.41 = 30,216.30 : x
  2. Step 2: Convert to fraction form
    55,710.02/76,879.41 = 30,216.30/x
  3. Step 3: Cross multiply
    55,710.02x = 76,879.41 × 30,216.30
  4. Step 4: Simplify right side
    55,710.02x = 2,323,011,316.38
  5. Step 5: Solve for x
    x = 2,323,011,316.38/55,710.02
  6. Step 6: Final answer
    x = 41,698.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.